| Portchester to Glencullen | 271.90 mi (437.57 km) |
| Portchester to Gorey | 254.86 mi (410.16 km) |
| Portchester to Greystones | 263.88 mi (424.67 km) |
| Portchester to Kilkenny | 290.52 mi (467.54 km) |
| Portchester to Killarney | 370.57 mi (596.37 km) |
| Portchester to Leixlip | 286.71 mi (461.41 km) |
| Portchester to Letterkenny | 395.27 mi (636.13 km) |
| Portchester to Lifford | 382.69 mi (615.87 km) |
| Portchester to Limerick | 344.58 mi (554.56 km) |
| Portchester to Longford | 345.38 mi (555.84 km) |
| Portchester to Lucan | 284.98 mi (458.64 km) |
| Portchester to Maigh Nuad | 290.86 mi (468.10 km) |
| Portchester to Midleton | 313.03 mi (503.78 km) |
| Portchester to Monaghan | 340.10 mi (547.34 km) |
| Portchester to Mullingar | 321.82 mi (517.92 km) |
